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324935 (2007 XC21)
Classification: Main-belt Asteroid          SPK-ID: 2324935
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07741718456619064 6.0438e-08  
a 2.262447706234976 2.0062e-08 au
q 2.087295374590028 1.281e-07 au
i 6.41559717603348 5.2783e-06 deg
node 269.61988549023 6.0367e-05 deg
peri 234.409042810113 7.5157e-05 deg
M 173.6237026214971 4.3029e-05 deg
tp 2458401.022669990658
(2018-Oct-09.52266999)
0.00014958 TDB
period 1242.986041334672
3.40
1.6533e-05
4.526e-08
d
yr
n .2896251349801526 3.8523e-09 deg/d
Q 2.437600037879924 2.1615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5755 days (15.76 yr)  
   first obs. used      2003-09-27  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 20:13:49  

Additional Information
 Earth MOID = 1.10763 au 
 Jupiter MOID = 2.59504 au 
 T_jup = 3.606 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO427682  

324935 (2007 XC21)          Discovered 2007-Dec-13 by Ferrando, R. at Pla D'Arguines
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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